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Finding the Fourth Proportional to 570,763.92, 856,154.25 and 271,275.06

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Solution

The fourth proportional to 570,763.92, 856,154.25 and 271,275.06 is: 406,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,763.92 : 856,154.25 = 271,275.06 : x
  2. Step 2: Convert to fraction form
    570,763.92/856,154.25 = 271,275.06/x
  3. Step 3: Cross multiply
    570,763.92x = 856,154.25 × 271,275.06
  4. Step 4: Simplify right side
    570,763.92x = 232,253,295,538.01
  5. Step 5: Solve for x
    x = 232,253,295,538.01/570,763.92
  6. Step 6: Final answer
    x = 406,916.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.